EP4246975A4 - Video decoding method and apparatus, video coding method and apparatus, and device - Google Patents

Video decoding method and apparatus, video coding method and apparatus, and device

Info

Publication number
EP4246975A4
EP4246975A4 EP21899870.6A EP21899870A EP4246975A4 EP 4246975 A4 EP4246975 A4 EP 4246975A4 EP 21899870 A EP21899870 A EP 21899870A EP 4246975 A4 EP4246975 A4 EP 4246975A4
Authority
EP
European Patent Office
Prior art keywords
video
video coding
decoding method
coding method
video decoding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP21899870.6A
Other languages
German (de)
French (fr)
Other versions
EP4246975A1 (en
Inventor
Ye Hu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tencent Technology Shenzhen Co Ltd
Original Assignee
Tencent Technology Shenzhen Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tencent Technology Shenzhen Co Ltd filed Critical Tencent Technology Shenzhen Co Ltd
Publication of EP4246975A1 publication Critical patent/EP4246975A1/en
Publication of EP4246975A4 publication Critical patent/EP4246975A4/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/184—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being bits, e.g. of the compressed video stream
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
EP21899870.6A 2020-12-04 2021-11-17 Video decoding method and apparatus, video coding method and apparatus, and device Pending EP4246975A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202011414460.0A CN114615504A (en) 2020-12-04 2020-12-04 Video decoding method, video encoding method, device and equipment
PCT/CN2021/131293 WO2022116836A1 (en) 2020-12-04 2021-11-17 Video decoding method and apparatus, video coding method and apparatus, and device

Publications (2)

Publication Number Publication Date
EP4246975A1 EP4246975A1 (en) 2023-09-20
EP4246975A4 true EP4246975A4 (en) 2024-01-24

Family

ID=81852921

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21899870.6A Pending EP4246975A4 (en) 2020-12-04 2021-11-17 Video decoding method and apparatus, video coding method and apparatus, and device

Country Status (4)

Country Link
US (1) US20230068657A1 (en)
EP (1) EP4246975A4 (en)
CN (1) CN114615504A (en)
WO (1) WO2022116836A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024054609A1 (en) * 2022-09-09 2024-03-14 Comcast Cable Communications, Llc Sign coding and decoding using prediction
US20240137557A1 (en) * 2022-10-21 2024-04-25 Comcast Cable Communications, Llc Block Vector Difference (BVD) Coding
CA3217502A1 (en) * 2022-10-24 2024-04-24 Comcast Cable Communications, Llc Block vector difference (bvd) coding

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110142419A1 (en) * 2008-08-19 2011-06-16 Thomson Licensing Changeable block list
US20150382010A1 (en) * 2014-06-30 2015-12-31 Qualcomm Incorporated Method for motion vector difference (mvd) and intra block copy vector difference (bvd) coding of screen content video data
WO2020141831A2 (en) * 2018-12-31 2020-07-09 엘지전자 주식회사 Image coding method and apparatus using intra block copy prediction

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6900748B2 (en) * 2003-07-17 2005-05-31 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Method and apparatus for binarization and arithmetic coding of a data value
WO2007065351A1 (en) * 2005-12-05 2007-06-14 Huawei Technologies Co., Ltd. Binarizing method and device thereof
JP5735710B2 (en) * 2011-06-28 2015-06-17 サムスン エレクトロニクス カンパニー リミテッド Video encoding method and apparatus with arithmetic encoding, video decoding method and apparatus
WO2016119726A1 (en) * 2015-01-30 2016-08-04 Mediatek Inc. Method and apparatus for entropy coding of source samples with large alphabet
US10893286B2 (en) * 2018-10-09 2021-01-12 Tencent America LLC Methods and apparatus for low-complexity MTS
EP3709658A4 (en) * 2018-11-12 2021-03-10 LG Electronics Inc. Method for coding transform coefficient on basis of high frequency zeroing and apparatus therefor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110142419A1 (en) * 2008-08-19 2011-06-16 Thomson Licensing Changeable block list
US20150382010A1 (en) * 2014-06-30 2015-12-31 Qualcomm Incorporated Method for motion vector difference (mvd) and intra block copy vector difference (bvd) coding of screen content video data
WO2020141831A2 (en) * 2018-12-31 2020-07-09 엘지전자 주식회사 Image coding method and apparatus using intra block copy prediction

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2022116836A1 *

Also Published As

Publication number Publication date
WO2022116836A1 (en) 2022-06-09
CN114615504A (en) 2022-06-10
EP4246975A1 (en) 2023-09-20
US20230068657A1 (en) 2023-03-02

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